“The Surprise of the Evening was understudy Jessica James Lewis as the disaffected Type A daughter, Natalie, normally played by Angie Chavez. James’s lucid, lovely, lyrical voice is the perfect antidote for the snarling, impatient, disconnected, talented 17-year-old who you’d like to alternately hug and strangle. This is a lesson for audience members who believe seeing an understudy is verboten. I say “Bravo!” to Ms. Lewis.”